- noun a device that allows prototype electronic circuits to be constructed easily without permanent connections or soldering
- A perforated board or chassis on which electronic devices and components can be mounted and interconnected simply and quickly, for testing, experimenting, and preparation of prototype circuits. Also called prototyping board.
- An experimental or prototypical circuit utilizing a breadboard (1) to mount it. Also called breadboard circuit.
- To prepare an experimental or prototypical circuit utilizing a breadboard (1) to mount it.